JP4697394B2 - Ceiling suspended air conditioner - Google Patents

Description

  The present invention relates to a ceiling-suspended air conditioner that reduces pressure loss by increasing the suction port area and improves serviceability.

  In a conventional ceiling-suspended air conditioner, a rectangular parallelepiped housing that is installed to be suspended from the ceiling has an air inlet on the wall surface side of the lower surface, an air outlet on the front surface, A separator for separating the space into the suction side and the blowout side is installed vertically, and the suction side space in the housing is equipped with a grill, filter, blower, etc., and the blowout side space is equipped with a heat exchanger, a wind direction adjusting vane, etc. I have.

For example, it is possible to dispose the electrical box of the ceiling suspended air conditioner below the blower outlet, and to arrange the electrical box below the blower outlet, and to provide an opening on the back of the harmony machine. An optional product that requires ventilation, such as a dust collector, can be mounted on the back without changing the height of the main body of the harmony machine (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 03-006234 (page 18, Fig. 2)

  In the conventional ceiling-suspended air conditioner, the electrical component box is disposed between the blower and the rear panel, and the electrical component box can be accessed by removing the grill and the filter. However, when maintaining the electrical components in the electrical box, there is a problem that it is necessary to remove the electrical box after removing the grille and filter because the space between the blower and the back panel is very narrow. .

  The present invention has been made to solve the above-described problems. The first object is to maintain the cover of the electrical component box without removing the entire electrical component box when maintaining the electrical component. It is possible to obtain a ceiling-suspended air conditioner that can maintain electrical components in the electrical component box by simply removing it.

  In addition, the second purpose is to move the position where the separator and the lower surface are in contact further forward, so that the electrical component box can be arranged below the blower outlet without hindering the compactness of the housing. Thus, a ceiling-suspended air conditioner capable of expanding the suction port and reducing suction pressure loss as an effect thereof is obtained.

  The third object is to arrange the electrical box in the center, not the back of the housing, so that a suction port can be set on the back of the housing, and the suction pressure loss can be reduced as an effect. A ceiling-suspended air conditioner is obtained.

A ceiling-suspended air conditioner according to the present invention is a ceiling-suspended air conditioner that blows out air sucked from a suction port on a lower surface on the back side of a casing installed on a ceiling from a blower outlet in front of the casing through a blower. And separating the inside of the housing into a suction side and a blower outlet side of the blower, and a separator disposed obliquely so that a lower portion projects forward from the blower blowout port, and an air flow from the blower A heat exchanger that is on the upstream side and is arranged obliquely so that the upper part is on the blower outlet side in front of the housing and the lower part is on the blower side, and is fixed obliquely along the separator below the blower outlet. an electric component box was provided with, the lower end portion of the heat exchanger is disposed so as to be located near the lower portion of the separator, the separator and the contact portion is fed above the bottom surface of the housing Located from aircraft air outlet to the front, it is an enlarged view of the area of the inlet is formed below the electrical component box.

A ceiling-suspended air conditioner according to the present invention is a ceiling-suspended air conditioner that blows out air sucked from a suction port on a lower surface on the back side of a casing installed on a ceiling from a blower outlet in front of the casing through a blower. And separating the inside of the housing into a suction side and a blower outlet side of the blower, and a separator disposed obliquely so that a lower portion projects forward from the blower blowout port, and an air flow from the blower A heat exchanger that is on the upstream side and is arranged obliquely so that the upper part is on the blower outlet side in front of the housing and the lower part is on the blower side, and is fixed obliquely along the separator below the blower outlet. an electric component box was provided with, the lower end portion of the heat exchanger is disposed so as to be located near the lower portion of the separator, the separator and the contact portion is fed above the bottom surface of the housing Located in front of the aircraft air outlet, because was expanded configuration the area of the inlet is formed below the electrical component box, it is possible to reduce noise by reducing the suction pressure loss, electricity in an electrical component box When maintaining the parts, it is not necessary to remove the entire electrical component box, and the electrical components in the electrical component box can be maintained simply by removing the cover.

Embodiment 1 FIG.
A cross-sectional view of a ceiling-suspended air conditioner according to Embodiment 1 of the present invention shown in FIG. 1 will be described below. In the figure, a ceiling-suspended air conditioner installed on a ceiling 1 has a rectangular parallelepiped casing 2 that forms an air passage 5 having an air inlet 3 on the lower surface and an air outlet 4 on the front surface. A separator 6 for separating and separating the suction side 5a and the blowing side 5b is installed in the passage 5, and a filter 7, a blower 8 and an electrical component box 9 are arranged on the suction port 3 side in the air passage 5, A heat exchanger 10 is disposed on the outlet 4 side. The separator 6 is disposed obliquely in a direction in which a lower portion projects forward in the housing 2, and an outlet 8 a of the blower 8 is attached through the separator 6, so that the separator 6 and the housing 2 The position in contact with the lower surface is in contact with the front side of the blower outlet, and the suction port 3 is expanded forward of the conventional ceiling-suspended air conditioner. The electrical component box 9 has an electrical component box cover 9 a and is arranged to be fixed to the separator 6 below the blower outlet 8 a of the blower 8.

  Next, the operation of the first embodiment will be described. When the blower 7 is driven, the indoor air sucked from the suction port 3 and entering the inside of the housing 2 is dust-removed by the filter 7 as indicated by an arrow in the air passage 5, and then the air sent from the blower 8 is The temperature is adjusted as heat exchange air by being blown from the outlet 8a of the blower 8 to the heat exchanger 10, and is sent out as conditioned air from the outlet 4 in the housing 2.

  As described above, since the separator 6 is disposed obliquely, the area of the suction port 3 can be increased as compared with the case where the separator 6 is disposed vertically as in the prior art. This contributes to an increase in the air volume at the same rotation speed. That is, when viewed with the same air volume, there is an effect that the rotational speed is reduced and noise is reduced.

  Further, since the lower part of the space on the suction side 5a can be expanded forward, the electrical component box 9 can be placed below the outlet 8a of the blower 8 without increasing the height and depth of the casing 2, that is, without hindering compactness. Can be arranged. As an effect of arranging the electrical component box 9 in the center instead of the back surface of the housing 2, it is possible to maintain the electrical component box cover without removing the entire electrical component box 9 when maintaining the electrical components in the electrical component box 9. The electrical components in the electrical component box 9 can be maintained simply by removing 9a.

  FIG. 2 is a cross-sectional view of another embodiment of the present invention. In the figure, the casing 2 of the ceiling-suspended air conditioner forms an air passage 5 having an air inlet 3 and an outlet 4 and is separated into a suction side 5a and an outlet side 5b. A separator 6 for partitioning is installed. The separator 6 contacts the lower surface of the housing 2 and the inclined surface 6b for mounting the vertical fixing portion 6a and the electrical component box 9 for fixing the outlet 8a of the blower 8. It consists of a lower end curved portion 6c.

  Thus, in other embodiments, even if the separator 6 is formed as shown in FIG. 2 with the aim of improving the assemblability, there is no change in these effects.

  In the first embodiment described above, the suction port 3 is provided only on the lower surface of the housing 2 as in the past, but a gap is provided between the wall surface 11 and the back surface 2a of the housing 2 at another installation location. In the situation where this is permitted, an explanation will be given of a case where a suction port is provided on the back as an option.

  FIG. 3 is a cross-sectional view of another embodiment of the present invention. In FIG. 3, the casing 2 of the ceiling-suspended air conditioner is formed with an air passage 5 having an air inlet 3 and an outlet 4, and the two air passages 5 in the casing are provided with an inlet side 5 a and an outlet side 5 b. A separator 6 for separating and partitioning is installed, and a filter 7, a blower 8 and an electrical component box 9 are provided on the suction port 3 side in the air passage 5, and a heat exchanger 10 is provided on the blowout port 4 side. The separator 6 is arranged so that the lower side in the casing 2 is inclined forward in the forward direction so that the contact position between the separator 6 and the lower surface of the casing 2 is in contact with the front. It is expanding forward. In addition, a rear suction port 2 b and a rear filter 12 are provided on the rear surface 2 a of the housing 2.

  As described above, since it is possible to suck air from the suction port on the rear surface of the housing in addition to the suction port on the lower surface of the housing as in the past, the total sum of the suction port areas should be further expanded than in the first embodiment. As an effect, the suction pressure loss can be reduced and the total air volume can be increased.

It is a schematic sectional drawing which shows the ceiling suspension type air conditioner in Embodiment 1 of this invention. It is a schematic sectional drawing which shows the ceiling suspension type air conditioner in other embodiment of this invention. It is a schematic sectional drawing which shows the ceiling suspension type air conditioner in other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling, 2 housing | casing, 2a housing | casing back surface, 2b back suction port, 3 suction port, 4 outlet port, 5 air path, 5a suction side, 5b outlet side, 6 separator, 6a vertical fixing | fixed part, 6b inclined surface, 6c Lower end curved portion, 7 filter, 8 blower, 8a blower outlet, 9 electrical box, 9a electrical box cover, 10 heat exchanger, 11 wall surface, 12 back filter.

Claims (2)

A ceiling-suspended air conditioner that blows out air sucked from a suction port on a lower surface on the back side of a housing installed on a ceiling from a blow-out port in front of the housing via a blower, and the suction of the blower inside the housing The separator is divided into a side and a blower outlet side, the separator is disposed obliquely so that the lower part projects forward from the blower outlet , and the upper part is on the upstream side of the casing, and the upper part is on the front side of the casing A heat exchanger arranged obliquely so that the blower outlet side and the lower part are on the blower side, and an electrical component box obliquely fixed along the separator below the blower blower outlet, and the heat exchange the lower end portion of the vessel is arranged so as to be located near the lower portion of the separator, contact portions of the lower surface of the housing and the separator is positioned in front of the blower air outlet, wherein Ceiling Tsukatachi air conditioner, characterized in that the enlarged area of the inlet is formed below the dignity box. The ceiling-suspended air conditioner according to claim 1, wherein a rear suction port for sucking air is provided on the rear surface of the housing.

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